7
Friction couplings for gears and clutches, conical friction couplings for gears, synchronising mechanisms for gears, synchronous rings for gears, all with friction elements, friction linings, friction coatings, friction layers, sintered friction linings, sintered friction layers and/or copper-zinc-alloy-based sintered friction layers; friction elements, friction linings, friction coatings, friction layers, sintered friction linings, sintered friction layers, sintered friction layers with a base of copper-zinc alloys, all for friction couplings for gears and clutches, for conical friction couplings for gears, for synchronising mechanisms for gears and/or for synchronous rings for gears
12
Friction couplings for gears and clutches, conical friction couplings for gears, synchronising mechanisms for gears, synchronous rings for gears, all with friction elements, friction linings, friction coatings, friction layers, sintered friction linings, sintered friction layers and/or copper-zinc-alloy-based sintered friction layers; friction elements, friction linings, friction coatings, friction layers, sintered friction linings, sintered friction layers, sintered friction layers with a base of copper-zinc alloys, all for friction couplings for gears and clutches, for conical friction couplings for gears, for synchronising mechanisms for gears and/or for synchronous rings for gears
40
Manufacture of friction couplings for gears and clutches, conical friction couplings for gears, synchronising mechanisms for gears and synchronous rings for gears, all with friction elements, friction linings, friction coatings, friction layers, sintered friction linings, sintered friction layers and/or copper-zinc-alloy-based sintered friction layers; manufacture of friction elements, friction linings, friction coatings, friction layers, sintered friction linings, sintered friction layers and/or copper-zinc-alloy-based sintered friction layers, all for friction couplings for gears and clutches, conical friction couplings for gears, synchronising mechanisms for gears and/or synchronous rings for gears; applying of friction elements, friction linings, friction coatings, friction layers, sintered friction linings, sintered friction layers and/or copper-zinc-alloy-based sintered friction layers, to friction couplings for gears and clutches, to conical friction couplings for gears, to synchronising mechanisms for gears and/or to synchronous rings for gears